﻿let backBtn = null;

$(function(){
	backBtn = $("#back");
	backBtn.on("click",function(){
		//alert("view : "+referer);
		if(referer != undefined && null != referer && "" != referer && "null" != referer && referer.length > 4){
		 window.location.href = referer;
		}else{
			history.back();
		}
	});
});